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This is free software, and you are welcome to redistribute it under certain conditions. Snap-sync comes with ABSOLUTELY NO WARRANTY. Snap-sync version 0.7, Copyright (C ) 2016-2021 Wes Barnett ➜ sudo snap-sync -c root \ -UUID ( sudo blkid -o value -s UUID /dev/mapper/backup_crypt ) \ -subvolid ( sudo btrfs subvolume show /run/media/system/System_Backups \

Primary key fingerprint: F7B2 8C61 944F E30D ABEE B0B0 1070 BCC9 8C18 BD66 Gpg: There is no indication that the signature belongs to the owner. Gpg: WARNING: This key is not certified with a trusted signature!

Gpg: marginals needed: 3 completes needed: 1 trust model: pgp Gpg: key 1070BCC98C18BD66: public key "Wes Barnett " imported Gpg: key 1070BCC98C18BD66: 3 signatures reordered Gpg: key 1070BCC98C18BD66: 1 signature not checked due to a missing key Gpg: requesting key 1070BCC98C18BD66 from hkp server Gpg: assuming signed data in '/home/jordan/Downloads/snap-sync-0.7.tar.gz' ➜ gpg -verify -auto-key-retrieve -keyserver ~/Downloads/snap-sync- *.tar.gz.sig See Btrfs Mount Options and Adjust Mount Options for details on the subject. It’s also recommended to mount the Btrfs filesystem with zstd compression and automatic defragmentation. The system is configured to automatically unlock the encrypted volume and mount its Btrfs subvolume root_backups at /run/media/system/System_Backups. The encrypted volume on the external hard drive is /dev/sdb1. You can setup an encrypted volume on an external hard drive by following the steps in the post Encrypt an External Disk on Linux.įurthermore, this post builds on the work in Automount an Encrypted System Volume, which automates the process of unlocking and mounting the encrypted volume.įor the purposes of this tutorial, we assume the configuration from these previous blog posts. You will need a Cryptsetup encrypted volume on an external hard drive.īacking up to an encrypted volume protects your backups in case something happens to your external drive. If you haven’t set this up, refer to Btrfs Snapshot Management With Snapper. It’s assumed that you have a Snapper configuration for the system’s root filesystem.